TY - RPRT TI - Robust Airfoil Optimization to Achieve Consistent Drag Reduction Over a Mach Range AU - Li, Wu AU - Huyse, Luc AU - Padula, Sharon AU - Bushnell, Dennis M. PY - 2001 UR - https://ntrs.nasa.gov/citations/20010089871 ID - 20010089871 ER -